1.Chlorpyrifos 97%TC, 480g/l EC
2.with high quality at competitive price
3.sample are available
Common Name | Chlorpyrifos |
CAS NO. | 2921-88-2 |
Description | Appearance:Light yellow to white crystal Melting Point:42~43.5 Vapour Pressure:2.7mPa Solubility:0.0014g/L in water,readily soluble in most organic solvents.
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Formulation | 98%TC, 480g/l EC |
Application | A broad-spectrum hight-effective,low toxic systemic insecticide.It can be used to control aphids,leafhoppers, whitefly thrips,etc.on different plants.
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Manufacture and use
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Chlorpyrifos is manufactured by reacting 3,5,6-trichloro-2-pyridinol with diethylthiophosphoryl chloride.
Chlorpyrifos is normally supplied as a 23.5% or 50% liquid concentrate. The recommended concentration for direct-spray pin point application is 0.5% and for wide area application a 0.03 – 0.12% mix is recommended.
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Physico-chemical properties | Appearance: Technical chlorpyrifos is white crystalline solid with a mild sulfur odor. Stability: Wide stability at room temperature. Density: 1.398(43.5°C). Melting Point: 41.5~43.5°C. Vapour Pressure: 2.5mPa(25°C). Solubility: 1.2mg/l in water, readily soluble in most organic solvents
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Toxicity | Chlorpyrifos is moderate toxic to animals. Acute oral LD50 for rats 163mg/kg, acute dermal LD50 for rats>2g/kg; Slight irritation to eye, serious to skin. Subacute oral non-effect level for rats 0.03mg/kg, chronic oral non-effect level 0.1mg/kg. Chronic oral non-effect level for dog 0.03mg/kg. No carcinogenic, mutagenic and teratogenic effects at experimental dosage. Maximum allowed concentration0.2mg/m3 (TLV) in indoor air. High toxic to fish and aquatic organisms, LD50 for bulltrout 15mg/l (96 h, 72°C). Toxic to bees. Acute oral LD50 of 40.7% chlorpyrifos EC for rats 590mg/kg, acute dermal for rabbits LD50 2330mg/kg, irritation to skin and eyes. Acute oral of 14% G for rats LD50>2g/kg, acute dermal for rats LD50>2g/kg, acute inhale LD50>0.007µg/L(7 h), irritation to eyes and skin.
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Usage | Thiophosphate insecticide; Contact, stomach, and respiratory action. |
